Remove unnecessary 'noSuchMethod' declarations.

pkg/analysis_server/test/analysis/update_content_test.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library test.analysis.updateContent;
 
 import 'package:analysis_server/plugin/protocol/protocol.dart';
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/constants.dart';
 import 'package:analysis_server/src/services/index/index.dart';
@@ skipping 114 matching lines @@
 library bar;
 import 'baz.dart';
 main() { f(); }''');
     String bazPath = '/project2/baz.dart';
     resourceProvider.newFile(
         bazPath,
         '''
 library baz;
 f(int i) {}
 ''');
-    Request request = new AnalysisSetAnalysisRootsParams(
-        ['/project1', '/project2'], []).toRequest('0');
+    Request request =
+        new AnalysisSetAnalysisRootsParams(['/project1', '/project2'], [])
+            .toRequest('0');
     handleSuccessfulRequest(request);
     {
       await server.onAnalysisComplete;
       // Files foo.dart and bar.dart should both have errors, since they both
       // call f() with the wrong number of arguments.
       expect(filesErrors[fooPath], hasLength(1));
       expect(filesErrors[barPath], hasLength(1));
       // Overlay the content of baz.dart to eliminate the errors.
       server.updateContent('1', {
         bazPath: new AddContentOverlay('''
 library baz;
 f() {}
 ''')
       });
     }
     {
       await server.onAnalysisComplete;
       // The overlay should have been propagated to both contexts, causing both
       // foo.dart and bar.dart to be reanalyzed and found to be free of errors.
       expect(filesErrors[fooPath], isEmpty);
       expect(filesErrors[barPath], isEmpty);
     }
   }
 
   test_overlayOnly() async {
     String filePath = '/User/project1/test.dart';
     Folder folder1 = resourceProvider.newFolder('/User/project1');
     Folder folder2 = resourceProvider.newFolder('/User/project2');
-    Request request = new AnalysisSetAnalysisRootsParams(
-        [folder1.path, folder2.path], []).toRequest('0');
+    Request request =
+        new AnalysisSetAnalysisRootsParams([folder1.path, folder2.path], [])
+            .toRequest('0');
     handleSuccessfulRequest(request);
     // exactly 2 contexts
     expect(server.folderMap, hasLength(2));
     AnalysisContext context1 = server.folderMap[folder1];
     AnalysisContext context2 = server.folderMap[folder2];
     // no sources
     expect(_getUserSources(context1), isEmpty);
     expect(_getUserSources(context2), isEmpty);
     // add an overlay - new Source in context1
     server.updateContent('1', {filePath: new AddContentOverlay('')});
@@ skipping 86 matching lines @@
   final String file;
 
   _ArgumentMatcher_CompilationUnit(this.file);
 
   @override
   bool matches(arg) {
     return arg is CompilationUnit && arg.element.source.fullName == file;
   }
 }
 
-class _MockIndex extends TypedMock implements Index {
-  noSuchMethod(Invocation invocation) => super.noSuchMethod(invocation);
-}
+class _MockIndex extends TypedMock implements Index {}